CN106104359A - Electric wet-type display pixel structure - Google Patents
Electric wet-type display pixel structure Download PDFInfo
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- CN106104359A CN106104359A CN201580015555.6A CN201580015555A CN106104359A CN 106104359 A CN106104359 A CN 106104359A CN 201580015555 A CN201580015555 A CN 201580015555A CN 106104359 A CN106104359 A CN 106104359A
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
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Abstract
Presently disclosed subject matter drops with regard to the effective voltage in the pixel in the Active Matrix Display reducing such as electric moistening display apparatus.Described electric moistening display apparatus includes multiple pixel region, and each of which pixel region includes: hydrophobic surface；First fluid on described hydrophobic surface and second fluid, wherein said first fluid can not mix with described second fluid；And the pixel electrode below described hydrophobic surface, wherein said pixel electrode has general U-shape.Thin film transistor (TFT) is coupled to described pixel electrode and voltage source.Apply to the voltage of described hydrophobic surface to cause described hydrophobic surface to become more hydrophobic by described pixel electrode via described thin film transistor (TFT) and described voltage source, thus move to described second fluid on described hydrophobic surface, thus the described first fluid generally on hydrophobic surface described in displacement.
Description
Cross-Reference to Related Applications
This application claims the priority of the U.S. Patent Application No. 14/224,989 submitted on March 25th, 2014, described
The full content of U.S. Patent application is incorporated herein by reference.
Background
Many portable electron devices include the display for showing all kinds image.The example bag of this display
Include electric wet-type display (EWD), liquid crystal display (LCD), electrophoretic display device (EPD) (EPD), (LED shows light emitting diode indicator
Device) etc..In electric wet-type display, the resistance of the electrolyte in fluid in pixel region reduces effective electricity of pixel region
Pressure.Fig. 1 diagram is expressed as simplifying the pixel region 100 of circuit.As can be seen, pixel region 100 can be expressed as including voltage source
102nd, thin film transistor (TFT) (TFT) the 104th, stores electric capacity Cs106th, the electric capacity C of pixel electrode areaew108 and represent electrolyte
The R of resistanceEGG。
Equation 1 below explanation affects the relation of the parameter of the voltage drop in pixel region 100, when wherein t line is line
Between, VOutputEqual to VSourceDeduct Vkb, wherein VkbIt is leaping voltage fall present in all Active Matrix Displays.As previously alluded
Go out, CewIt is the pixel capacitance relevant with pixel electrode area, and CsIt is the storage electric capacity of pixel region.
In conventional electric wet-type display, pixel electrode is the flat layer below pixel region, and therefore has bigger
Area.Therefore, REGGCan be relatively large, it is for example 300 megaohms to the maximum.Thus, owing to REGGVoltage drop be probably substantially
, therefore greatly affect the effective voltage of pixel region.
Brief description
With reference to the non-limiting and non exhaustive embodiment illustrating in accompanying drawing, detailed description is described.In different accompanying drawings
Same reference numerals refer to similar or identical project.
Fig. 1 is the schematic diagram being expressed as simplifying the pixel region of the electric wet-type display of circuit.
Fig. 2 A is the schematic diagram of the example of the electric moistening display apparatus according to various embodiments.
Fig. 2 B is a part of cross-sectional view of the electric moistening device of Fig. 2 A according to some embodiments
Fig. 2 C is that the amplification of the pixel region of the electric moistening display apparatus of Fig. 2 A according to various embodiments and Fig. 2 B regards
Figure.
Fig. 3 diagram is according to the essence of the exemplary image display device potentially including electric wet-type display of various embodiments
Select assembly.
Describe in detail
General introduction
The disclosure realizes framework and the technology of the reduction that effective voltage drops in providing pixel in Active Matrix Display.
It is said that in general, the image display such as various electronic installations shows image over the display, described various
Electronic installation includes but is not limited to: portable computing, tablet PC, laptop computer, notebook, movement
Phone, personal digital assistant (PDA) and attachment device for displaying audio (for example, electronic book device, DVD player etc.).Described display
The example of device includes but is not limited to LCD, EWD and EPD
More particularly, the display device of such as electric moistening display apparatus is for instance it can be possible that thin film transistor (TFT) electricity moistens display
Device (TFT-EWD), described display generally includes the transmission-type being arranged to be operated by active array addressing scheme
Or the array of reflective pixel.For example, the row of pixel is operated by the voltage level on the multiple source electrode line of control and gate line
And row.By this way, display device can be come transmission, reflection by selecting specific pixel or stop that light produces image.Warp
By source electrode line and gate line be connected to include the row and column of the transistor (for example, being used as switch) in each pixel to pixel
It is addressed (for example, selecting).Transistor takies the relatively small part of each pixel region.For example, show in reflection-type
In device, transistor can be positioned on the lower section of reflector.
Electrically, pixel is to have the one layer of insulation light being clipped between transparent electroconductive indium tin oxide (ITO) layer
Learn the small capacitor of material (for example, liquid crystal material or electricity wetted material).The unidirectional current transmission characteristic of the transistor of pixel is prevented
Only apply to leak between the refresh cycle of display image to the electric charge of pixel.
Electric wet-type display uses the voltage applying to change the surface tension relative to surface for the liquid.For example, lead to
Cross and utilize pixel electrode and common electrode to apply voltages to hydrophobic surface, the moistening character on described surface can be modified, with
Described surface is made to become gradually hydrophilic.Hydrophobicity typicallys represent repelling fluid, and hydrophily typically represent fluid is had affine
Power.As an example of electric wet-type display, change, by applying voltage, the respective pixel that surface tension causes display
In liquid in electrolyte be adsorbed onto the surface being upgraded, and the colored electrodeposition therefore replaced in the respective pixel of display is wet
Profit oil reservoir.Therefore, moistening fluid serve as optical switch in response to the electricity that surface tension changes in the respective pixel of display.When
When there is not voltage, the moistening oil of colored electrodeposition forms continuous print film in pixel, and color can be therefore for the use of display
Person is visible.On the other hand, when applying voltages to pixel, coloured oil is by displacement (displace), and pixel becomes transparent.
When activating multiple pixel of display independently, described display can present color or gray level image.Pixel may make up transmission
The basis of type, reflection-type or transmission-type/reflection-type (transflective) display.In addition, pixel may be in response to high switching speed
(for example, about several milliseconds), use small pixel size simultaneously.Therefore, the electric wet-type display of this paper is suitably adapted for such as showing
Show the application such as video content.In addition, the low power consumption of electric wet-type display generally makes this technology be suitable for depending on
Rely and show content on the portable display apparatus of battery supply.
Each pixel of electric wet-type display includes being positioned at the pixel electrode below the liquid of pixel.According to various enforcements
Scheme, pixel electrode has general U-shape.In other words, pixel electrode has the beginning.Because big in electric wet-type display
Most pixels are generally rectangularly-shaped, e.g., from about 120 microns × 60 microns, so pixel electrode is generally rectangular U-shaped shape
The pixel electrode of shape, its beginning is positioned near the top section of pixel.
Illustrative structures and process
With reference to Fig. 2 A, in this example it is schematically indicated that the example of electric moistening display apparatus 200, it includes timing controller the 202nd, data
Driver the 204th, scanner driver the 206th, voltage generator 208 and Electrowetting display panel 210.Electrowetting display panel 210 by
Timing controller the 202nd, data driver the 204th, scanner driver 206 and voltage generator 208 drive.
As the example of the general operation of electric moistening display apparatus 200, (do not scheme in response to from such as graphics controller
Show) etc. the first data-signal DG1 of external source and the first control signal C1, timing controller 202 by the second data-signal DG2 and
Second control signal C2 applies to data driver 204；Apply the 3rd control signal C3 to scanner driver 206；And will
4th control signal C4 applies to voltage generator 208.
Second data-signal DG2 is converted into voltage by data driver 204, i.e. data-signal, and by data-signal
Dl ..., Dp-1, Dp, Dp+l ..., Dm applies to Electrowetting display panel 210.Scanner driver 206 is in response to the 3rd control
Signal C3, applies scanning signal S1 ..., Sq-l, Sq ..., Sn continuously to Electrowetting display panel 210.
Voltage generator 208, in response to the 4th control signal C4, applies shared voltage Vcom to Electrowetting display panel
210.Although not shown in Fig. 2 A, but voltage generator 208 generates timing controller, and the 202nd, data driver 204 and scanning are driven
Dynamic various voltages required for device 206.
Electrowetting display panel 210 includes m data line DL, i.e. source electrode line, is used for transmitting data voltage；And n grid
Polar curve SL, i.e. scan line, be used for transmitting grid-connection signal.
Pixel region 212 is positioned near the intersection point of data wire DL and gate line SL, described gate line SL and data wire DL
Intersect.Each pixel region 212 is by the pixel below the hydrophobic surface including thin film transistor (TFT) 214 and this hydrophobic surface
Electrode 216 forms, as will be explained in greater detail herein.Dividing wall 218 defines pixel region 212.Pixel region 212 can table
Show the pixel in electric moistening display apparatus 200 or the sub-pixel in electric moistening display apparatus 200, depend on electric moistening display apparatus
The application of 200.
Fig. 2 B is a part of cross-sectional view of the electric moistening device 200 according to some embodiments, and it is generally right to illustrate
Key element 220 should be moistened in several electricity of pixel region 212.Including electrode layer 222 shape of pixel electrode 216 (not shown in Fig. 2 B)
Become in bottom support plate 224.In some implementations, dielectric barrier (not shown) can be at least partly by electrode layer 222
Separate with the hydrophobic layer 226 above electrode layer 222 that is positioned at being also formed in bottom support plate 224.This separation can be especially
Prevent to penetrate the electrolysis of hydrophobic layer 226.In some implementations, hydrophobic layer 226 can include fluoropolymer, all
Such as the AF1600 being produced by the DuPont being positioned at Wilmington city, the Delaware State.Pixel wall 218 is formed in hydrophobic layer 226
Patterned electricity moistens key element grid, as found out in fig. 2.Pixel wall 218 can include Other substrate materials, and such as epoxy radicals is born
Property photoresist SU-8.Patterned electricity moistens key element grid and includes that the electricity forming the electric moistening key element of the moistening key element of district's electricity and border moistens
Want the row and column of pixel array (for example, Electrowetting display panel 210).For example, the moistening key element of electricity can have at about 50 microns to 500
Width in micrometer range and length.The first fluid 228 of the thickness can having for example in about 1 micron to 10 micrometer ranges covers
It is placed on above hydrophobic layer 226.First fluid 228 is usually the moistening oil of electricity, and is moistened the pixel of key element grid by patterned electricity
Wall 218 separates.Outer rim 230 can include the material identical with pixel wall 218.Second fluid 232, such as includes the stream of electrolyte
Body, covers and moistens above the pixel wall 218 of key element grid at the moistening oil 228 of electricity and patterned electricity.
Top support plate 234 covers second fluid 232, and second fluid 232 is maintained at electricity and moistens by edge seal 236
Want above pixel array.Bottom support plate 224 and top support plate 234 are probably the unitary part of the moistening key element of indivedual electricity, or
Bottom support plate 224 and top support plate 234 may be moistened key element by multiple electricity and share.Bottom support plate 224 and top braces
Plate 234 can be for example made up of glass or polymer, and is probably rigid or flexibility.
It is applied to the dielectric barrier stacking of second fluid 232 and the moistening key elements of indivedual electricity (for example, including electrode layer 222
With hydrophobic layer 226) on the transmittances of the moistening key elements of the controllable indivedual electricity of voltage V or reflectivity.
Electric moistening display apparatus 200 has sightingpiston 238 and the back side 240, can observe by electricity wet on described sightingpiston 238
The image of profit display device 200 formation or display content.Top support plate 234 is towards sightingpiston 238, and bottom support plate 224
Towards the back side 240.In an alternate embodiment, electric moistening display apparatus 200 can be observed from the back side 240.Electric moistening display apparatus
200 be probably reflection-type, transmission-type or transflective.Electric moistening display apparatus 200 can be segmented display class
Type, image therein is made up of multiple fragments.Described fragment can switch simultaneously or switch respectively.Each fragment includes that an electricity is wet
Moisten key element 220 or include to moisten key element 220 by some electricity adjacent one another are or away from each other.For example, including a fragment
In electricity moisten key element 220 and switch simultaneously.For giving some instances, electric moistening display apparatus 200 is it is also possible that active square
Battle array drive-type type of display or passive waked-up formula display.
Second fluid 232 can not mix with first fluid 228.It is said that in general, can not hybrid representation second fluid 232 cannot
Mix with first fluid 228 or blend.Second fluid 232 generally includes electrolyte, and is conduction or polarity.Second
Fluid 232 may e.g. water or salting liquid, solution in water and alcohol mixture for the such as potassium chloride.Second fluid 232 is excellent
Selection of land is transparent, but is probably coloured, white, absorbefacient or reflexive.It is generally known as the moistening oil of electricity
First fluid 228 is nonconducting, thereby increases and it is possible to be e.g. similar to hexadecane or the alkane of (silicon) oil.Hydrophobic layer 226 is arranged in
In bottom support plate 224, to produce electricity wetted surface region.Hydrophobic characteristics causes first fluid 228 Preferential adsorption to bottom
Gripper shoe 224, because relative to second fluid 232, first fluid 228 has higher relative to the surface of hydrophobic layer 226
Wettable.Wettable relates to the relative affinity for the surface of solids for the fluid.Wettable increases with the increase of affinity, and
And described wettable can be measured by the contact angle being formed between fluid and solid, and can survey inside associated fluid
Amount.For example, this contact angle can under the conditions of complete wettable 0 ° added above of 90 ° under the conditions of relative non-wettability,
In the case of completely wettable, fluid trends towards being formed film on the surface of solid.
Electrode layer 222 is separated with first fluid 228 and second fluid 232 by insulator, and described insulator is probably thin
Aqueous layer 226.First holding wire 242 supplies voltage signal V to electrode layer 222 (and therefore electrode 216), as herein by further
Describe.Secondary signal line 244 electrical connection is to the top electrodes (not shown) contacting with the second fluid 232 of conduction.This top
Electrode is probably shared for more than one electricity for moistening key element 220, because the moistening key element 220 of electricity and second fluid 232
Fluid interconnection, and share the second fluid 232 not interrupted by pixel wall 218.The moistening key element 220 of electricity is by being applied to the first holding wire
Voltage V control between 242 and secondary signal line 244.
First fluid 228 absorbs at least a portion spectrum.The a part of spectrum of first fluid 228 transmissive, thus form filter
Color chips.For this purpose it is proposed, can for example first fluid 228 be coloured by adding pigment particles or dyestuff.Or, first fluid
228 (for example, the generally whole spectrum of absorption) being probably black or reflective.Hydrophobic layer 226 is probably transparent or anti-
Penetrate.Reflective layer can reflect whole visible spectrum so that it is white that described layer manifests white or part, thus makes it have look
Color.
When the voltage V being applied between holding wire 242 and 226 is set at non-zero active signal level, electricity is moistening to be wanted
Element 220 will enter active.Electrostatic force will make second fluid 232 be moved towards electrode layer 222, thus by first fluid 228
Repel the pixel wall 218 in the region surrounding hydrophobic layer 226 from the region of hydrophobic layer 226, form some drop-wise.This effect from
The sur-face peeling first fluid 228 of the hydrophobic layer 226 of the moistening key element 220 of electricity.The voltage moistening in key element 220 when electricity returns to
Be zero inactive signal level or close to zero value when, the moistening key element 220 of electricity will return to disabled state, inactive at this
Under state, first fluid 228 refluxes, to cover hydrophobic layer 226.In this way, first fluid 228 moistens key element at each electricity
Form electrically controllable optical switch in 220.
As found out in Fig. 2 C of the zoomed-in view of pixel region 212, thin film transistor (TFT) 214 includes: gate electrode 246,
Its electrical connection is to the corresponding scan line (in Fig. 2 C not shown) of scan line SL；Source electrode 248, its electrical connection to data wire DL
Respective data lines (for example, first holding wire 242 of Fig. 2 B)；And drain electrode 250, its electrical connection is to pixel electrode 216.
Therefore, pixel region 212 operates based on scan line SL and the data wire DL of Fig. 2 A.
As found out in Fig. 2 A and Fig. 2 C, it is generally U-shaped that pixel electrode 216 has relative to respective pixel region 212
Shape.More generally, pixel electrode 216 has the opening tag shape relative to respective pixel region 212.It is said that in general, often
Rule pixel electrode has the shapes and sizes corresponding to pixel region 212.Therefore, the opening tag of pixel region, general U-shape
Being also for normal pixels electrode, described normal pixels electrode is usually the substantially rectangular of the shape corresponding to pixel region
Shape.As noted earlier, in the electrode layer 222 of the electric moistening device 200 that pixel electrode 216 is generally defined in Fig. 2 B).As
Can find out in fig. 2 c, the width L1 of the arm in U-shaped pixel electrode 216 generally electrode 216 width W 0.02 to
In the range of 0.2 times, and the height L2 of the base portion of U-shaped pixel electrode 216 generally pixel electrode 216 width W 0.02 to
In the range of 0.2 times.In addition, the arm of U-shaped pixel electrode 216 can have mutually different dimensions.Although Fig. 2 C is by pixel electrode
216 are illustrated as being " rigid " and have substantially linear and approximate right angle, but the U-shape of pixel electrode 216 is probably flat
Sliding, there is curved surface, and less rigid.
In Fig. 2 A and Fig. 2 B in embodiment illustrated, the beginning of U-shaped pixel electrode 216 is near pixel region 212
Top.If it is required, according to other embodiments, the beginning of U-shaped pixel electrode 216 can be towards the bottom of pixel region 212.Change
Sentence is talked about, and according to various embodiments, pixel electrode 216 can be inverted into inverted U-shaped shape.In such embodiments, corresponding
Thin film transistor (TFT) 214 will move along the somewhere of respective data lines DL and scan line SL.The inverted U-shaped shape of pixel electrode 216 can
Can be " rigid " and there is substantially linear and approximate right angle, or the inverted U-shaped shape of pixel electrode 216 is probably smooth,
There is curved surface, and less rigid.In addition, the arm of inverted U-shaped shape can have mutually different dimensions.
According to various embodiments, if pixel region 212 is closer to square shape, then U-shaped pixel electrode 216
Beginning can aspect-oriented, i.e. pixel electrode can have approximately C-shaped shape or reverse C-shaped shape (that is, sideways U-shape).
If C-shaped shape or reverse C-shaped shape use in the pixel region 212 of rectangular shape, or even in substantially pros
The pixel region 212 of shape shape uses, then the collection of improvement can be needed for first fluid 228.Equally, corresponding film is brilliant
Body pipe 214 will correspondingly move along respective data lines DL and scan line SL.C-shaped pixel electrode and the chi of reverse C-shaped pixel electrode
Very little substantially similar with previously described U-shaped and inverted U-shaped pixel electrode with relation.In addition, C-shaped shape and reverse C-shaped shape
Arm can have mutually different dimensions.The C-shaped shape of pixel electrode 216 and reverse C-shaped shape be probably " rigidity " and
There is substantially linear and approximate right angle, or C-shaped shape and the reverse C-shaped shape of pixel electrode 216 are probably smooth, have
Curved surface, and less rigid.
In operation, the voltage in response to the pixel electrode 216 applying to respective pixel region 212, respective pixel district
The corresponding hydrophobic layer 226 below second fluid 232 contact in territory 212, thus replace first in respective pixel region 212
Fluid 228.For Fig. 2 C, first fluid 228 will be responsive to apply to the voltage of pixel in respective pixel region 212 up and down
Mobile.By utilizing opening tag pixel electrode 216, the surface area of pixel electrode 216 reduces relative to normal pixels electrode.As front
Pointed by face, and as found out in fig. 2 c, the width L1 of the arm in U-shaped pixel electrode 216 is generally at pixel electrode
In the range of 0.02 to 0.2 times of the width W of 216, and the height L2 of the base portion of U-shaped pixel electrode 216 is generally at pixel electricity
In the range of 0.02 to 0.2 times of the width W of pole 216.It is said that in general, normal pixels electrode have close to pixel region
212 identical surface areas.Therefore, U-shaped pixel electrode 216 has the surface area of reduction relative to normal pixels electrode.Pixel electricity
This surface area of pole 216 reduces the electric capacity causing pixel region, i.e. CewReduce nearly 70%.More particularly, pixel electrode 216
Electric capacity Cew is probably the C of the normal pixels electrode utilizing the size in pixel region 212 with such as 120 microns × 60 micronsew
About 0.3 times.Therefore, based on the equation 1 previously listed, the voltage drop in the pixel of U-shaped pixel electrode 216 is utilized to reduce.
For lifting this example, for the pixel region measuring about 120 microns × 60 microns, and L1=L2=8 micron, owing to second
The resistance R of the electrolyte in bodyEGGVoltage drop can be about 3.23 volts, and utilize the voltage drop of normal pixels electrode to be about 7.58
Volt.In addition, utilize U-shaped pixel electrode 216 also to produce good white level in electric wet-type display 200, and hence with U
The electric wet-type display 200 of shape pixel electrode 216 has good brightness.The use of U-shaped electrode 216 additionally aids to first-class
Body 228 carries out motion control, and hence helps to the repeatability of gray level in pel array.With the picture using conventional shape
Element electrode is compared, and using of U-shaped pixel electrode 216 allows to carry out good control to the movement of first fluid 228.
Although describing U-shaped pixel electrode 216 by reference to electricity moistening device 200, it should be noted, however, that U-shaped pixel is electric
Pole 216 can be used together with other type of display device.
Fig. 3 diagram shows according to the example images can being used together with electric moistening display apparatus 200 of some implementations
Show the selected example components of equipment 300.What image display 300 can be embodied as in some different types of electronic installations appoints
What is a kind of.Some examples of image display 300 may include: digital media device and E-book reader 300-1；Flat board meter
Calculate device 300-2；Smart phone, mobile device and portable game system 300-3；On knee and net book computing device 300-
4；Wearable computing device 300-5；Augmented reality device, the helmet, goggles or glasses 300-6；And can be moistening with electricity aobvious
Showing device 200 connects and includes for controlling the processor of the display according to techniques described herein and any of memory
Other devices.
In very basic configuration, image display 300 includes or accesses following assembly: such as at least one controls
Logic circuit, CPU or processor 302 and one or more computer-readable medium 304.Each processor 302
Self can include one or more processor or process kernel.For example, processor 302 can be embodied as one or more micro-process
Device, microcomputer, microcontroller, digital signal processor, CPU, state machine, logic circuit and/or based on can grasp
Make instruction and handle any device of signal.In some cases, processor 302 can be to be specifically programmed or configure to perform basis
One or more hardware processor of the algorithm described by Wen and process and/or the logic circuit of any suitable type.Processor
302 can be configured to the computer obtaining and performing to be stored in computer-readable medium 304 or other computer-readable mediums
Instructions.Processor 302 can perform to belong to timing controller the 202nd, the data driver 204 of electric moistening display apparatus 200 and/
One or more of or the function of scanner driver 206.Processor 302 can also carry out the figure belonging to electric moistening display apparatus
One or more functions of controller (not shown).
According to the configuration of image display 300, computer-readable medium 304 is probably tangible non-transitory computer and deposits
The example of storage media, and potentially include the volatibility and non-volatile realizing for any kind of technology storing information
Memory and/or removable and irremovable medium, described information such as computer-readable instruction, data structure, program module
Or other data etc..Computer-readable medium 304 may include but be not limited to RAM, ROM, EEPROM, flash memories or other meters
Calculation machine computer-readable recording medium technology, CD-ROM, digital versatile disc (DVD) or other optical storages, cassette, tape, solid-state
Storage device and/or disk storage device.In addition, in some cases, image display 300 may have access to outside storage dress
Put, such as RAID storage system, storage array, network-attached storage device, storage area network, cloud storage device or can be used for depositing
Storage information and any other Jie that can directly be accessed or conducted interviews via another computing device or network by processor 302
Matter.Therefore, computer-readable medium 304 is probably and can store instruction, module or the assembly that can be performed by processor 302
Computer-readable storage medium.
Computer-readable medium 304 can be used for storage and maintains any amount of feature that can be performed by processor 302
Assembly.In some implementations, these functional assemblies include instruction or the program that can be performed by processor 302, and work as
Described instruction or program realize operation logic when being performed, for performing to belong to image display 300 recited above
Operation.Image display 300 is stored in the functional assembly in computer-readable medium 304 can include operating system, is used for
Control and the various functions of management image display 300, and Subscriber Interface Module SIM 306, at image display 300
Electric moistening display apparatus 200 on produce one or more user interface.
In addition, computer-readable medium 304 also can store data, the data structure being used by functional assembly
Deng.For example, the data being stored by computer-readable medium 304 can include user profile and optional one or more content items
308.According to the type of image display 300, computer-readable medium 304 also optionally includes such as other module sums
According to other functional assemblies and the data of 310, other functional assemblies described and data can include program, driver etc. and by
The data that functional assembly is used.In addition, image display 300 can include other logics many, program mode and physical set
Part, only relevant with the discussion of this paper example described in it.Although in addition, accompanying drawing is by the work(of image display 300
Energy property assembly and data are illustrated as being present on image display 300, and by the processor on image display 300
302 perform, it will thus be appreciated that these assemblies and/or data can be distributed in different computing devices and position by any way.
Fig. 3 also illustrates the example of other assemblies that can include in image display 300.This example includes various types of
The sensor of type, described various types of sensors can include GPS device the 312nd, accelerometer the 314th, one or more cameras
316th, compass the 318th, gyroscope the 320th, microphone 322 etc..
Image display 300 may also include one or more communication interface 324, described interface 324 can support wired and
Both wireless connections are used for being connected to various network, such as cellular network, radio, Wi-Fi network, near radio connect,
Near field connection, infrared signal, LAN, wide area network, internet etc..Communication interface 324 may also allow for user and accesses another dress
The storage device put or access storage device by another device, described another device such as remote computing device, network is attached
Connect storage device, cloud storage device etc..
Image display 300 also can be equipped with one or more loudspeaker 326 and other input/output various (I/O) group
Part 328.This I/O assembly 328 can include touch-screen and various user's control piece (for example, button, control stick, keyboard, keypad
Deng), sense of touch or stereognosis output device, connectivity port, physical condition sensor etc..For example, the operation system of image display 300
System 306 can include suitable driver, and described driver is configured to from the keypad being included as I/O assembly 328, keyboard
Or other user's control pieces and device accept input.In addition, image display 400 can include not shown other groups various
Part, the example of described assembly includes the power supplys such as mobile storage means, battery and power control unit, PC card assembly etc.
Deng.
Various instruction described herein, method and technology can be considered in the general linguistic context of computer executable instructions,
The program mould that described computer executable instructions is such as stored on computer-readable storage medium and is performed by the processor of this paper
Block.It is said that in general, program module includes for performing particular task or realizing the routine of particular abstract data type, program, right
As, assembly, data structure etc..These program modules etc. can perform as native code, or can such as virtual machine or other
Just-In-Time performs to download in environment and perform.As a rule, in various implementations, the feature of program module visually needs
It is combined or be distributed.The implementation of these modules and technology is storable on computer-readable storage medium or with certain communication
Form transmits.
Conclusion
Although theme being described with the language specific to architectural feature and/or methodology behavior, but should manage
Solving, the theme limiting in appended claims is not necessarily limited to above-mentioned specific features or behavior.On the contrary, specific features
It is published as realizing the illustrative form of claim with behavior.
Those skilled in the art will appreciate that the version for virtually limitless quantity described above is possible,
And example and accompanying drawing are merely to illustrate one or more examples of implementation.
It will be understood by those skilled in the art that in the case of without departing from claimed theme, various other can be made and repair
Change, and available equivalents form replaces.In addition, in the case of without departing from central concept described herein, can make
Many modifications adapt to the particular condition of the teaching of the theme claiming.It is therefore desirable to the theme of protection is not intended to be limited to
Disclosed particular, but described claimed theme may also include and falls into claims and equivalence shape thereof
All embodiments in the range of formula.
In discussed in detail above, elaborate numerous detail to provide the thorough understanding to claimed theme.
But, it will be understood by those skilled in the art that can in the case that not there are these details practice calls protection theme.
In other cases, method, device or the system that those of ordinary skill in the art are known is not described in detail, in order to do not obscure
Claimed theme.
Mentioning of " embodiment " be might mean that and combine described by particular by this specification
Special characteristic, structure or characteristic can include at least one embodiment of claimed theme.Therefore, in this specification
Phrase " in one embodiment " or " embodiment " that each position of full text occurs are not necessarily intended to refer to phase
Same embodiment or any one described particular.In addition, it should be understood that described special characteristic, structure
Or characteristic can combine in every way in one or more embodiments.Certainly, it is however generally that, these problems and other problem
Can change with specific use background.Therefore, this specification or use the specific background of these terms can provide with regard in institute
State the useful guiding of the inference drawing under background.
Clause
1. including an electric moistening display apparatus for multiple pixel region, each of which pixel region includes:
Hydrophobic surface；
Electricity on described hydrophobic surface moistens the fluid including electrolyte on the moistening oil of oily and described electricity；
Pixel electrode below described hydrophobic surface, wherein said pixel electrode has relative to described pixel region
General U-shape, wherein said U-shape is by having the first arm of the first width, the second arm being defined by the second width
Portion and the base portion being defined by height are defined, and wherein said first width and described second width are at described pixel electrode
In the range of 0.02 to 0.2 times of width W, and 0.02 to 0.2 times of scope of the described width W that described height is at described pixel electrode
In；And
It is coupled to the thin film transistor (TFT) of described pixel electrode and voltage source,
Wherein applied to described hydrophobicity table by described pixel electrode via described thin film transistor (TFT) and described voltage source
The voltage in face causes described hydrophobic surface to become more hydrophobic (hydrophobilic), thus will include described electrolyte
Described fluid moves on described hydrophobic surface, thus the moistening oil of described electricity generally on hydrophobic surface described in displacement.
2. the electric moistening display apparatus as described in clause 1, each of which pixel region represents one of following: (i) institute
State the pixel of electric moistening display apparatus, or the subpixel area of (ii) described electricity moistening device.
3. including an electric moistening display apparatus for multiple pixel region, each of which pixel region includes:
Hydrophobic surface；
First fluid on described hydrophobic surface and second fluid, wherein said first fluid is with described second fluid not
Can mix；
Pixel electrode below described hydrophobic surface, wherein said pixel electrode has opening tag shape；And
It is coupled to the thin film transistor (TFT) of described pixel electrode and voltage source,
Wherein apply to described hydrophobic surface via pixel electrode described in described thin film transistor (TFT) and described voltage source
Voltage causes described hydrophobic surface to become more hydrophobic, thus moves to described second fluid on described hydrophobic surface,
Thus the described first fluid generally on hydrophobic surface described in displacement.
4. the electric moistening display apparatus as described in clause 3, the described opening tag shape of wherein said pixel electrode have with
One of lower: (i) general U-shape, (ii) substantially inverted U-shaped shape, (iii) approximately C-shaped shape, and (iv) is substantially reverse
C-shaped shape.
5. the electric moistening display apparatus as described in clause 3, the described opening tag shape of wherein said pixel electrode is by having
First arm of the first width, the second arm being defined by the second width and the base portion being defined by height are defined, and its
Described in the first width and described second width in the range of 0.02 to 0.2 times of the width W of described pixel electrode, and described height
Degree is in the range of 0.02 to 0.2 times of the described width W of described pixel electrode.
6. the electric moistening device as described in clause 3, each of which pixel region represents one of following: (i) described electricity
The pixel of moistening display apparatus, or the sub-pixel of (ii) described electric moistening display apparatus.
7. the electric moistening device as described in clause 3, wherein said first fluid is the moistening oil of electricity, and described second fluid is
Including the fluid of electrolyte.
8. including an image display for electric moistening display apparatus, described electric moistening display apparatus includes multiple pixel
Region, each of which pixel region includes:
Hydrophobic surface；
First fluid on described hydrophobic surface and second fluid, wherein said first fluid is with described second fluid not
Can mix；
Pixel electrode below described hydrophobic surface, wherein said pixel electrode has opening tag shape；And
It is coupled to the thin film transistor (TFT) of described pixel electrode and voltage source,
Wherein applied to described hydrophobicity table by described pixel electrode via described thin film transistor (TFT) and described voltage source
The voltage in face causes described hydrophobic surface to become more hydrophobic, thus described second fluid is moved to described hydrophobic surface
On, thus the described first fluid generally on hydrophobic surface described in displacement.
9. the image display as described in clause 8, the described opening tag shape of wherein said pixel electrode has following
One of: (i) general U-shape, (ii) substantially inverted U-shaped shape, (iii) approximately C-shaped shape, and (iv) substantially reverse C
Shape shape.
10. the image display as described in clause 11, the described opening tag shape of wherein said pixel electrode is by having
First arm of the first width, the second arm being defined by the second width and the base portion being defined by height are defined, and its
Described in the first width and described second width in the range of 0.02 to 0.2 times of the width W of described pixel electrode, and described height
Degree is in the range of 0.02 to 0.2 times of the described width W of described pixel electrode.
11. image displays as described in clause 8, each of which pixel region represents one of following: (i) is described
The pixel of electric moistening display apparatus, or the sub-pixel of (ii) described electric moistening display apparatus.
12. image displays as described in clause 8, wherein said image display includes one of following: number
Word media apparatus, E-book reader, tablet computing device, smart phone, portable game system, laptop devices,
Net book computing device, Wearable computing device or augmented reality device.
13. image displays as described in clause 8, wherein said first fluid is the moistening oil of electricity, and described second
Body is the fluid including electrolyte.
Claims (13)
1. including an electric moistening display apparatus for multiple pixel region, each of which pixel region includes:
Hydrophobic surface；
Electricity on described hydrophobic surface moistens the fluid including electrolyte on the moistening oil of oily and described electricity；
Pixel electrode below described hydrophobic surface, wherein said pixel electrode has relative to described pixel region substantially
U-shape, wherein said U-shape by first arm with the first width, the second arm being defined by the second width and
Defined by the base portion that defines of height, and wherein said first width and described second width are at the width of described pixel electrode
In the range of 0.02 to 0.2 times of W, and described height is in the range of 0.02 to 0.2 times of the described width W of described pixel electrode；
And
It is coupled to the thin film transistor (TFT) of described pixel electrode and voltage source,
Wherein applied to described hydrophobic surface by described pixel electrode via described thin film transistor (TFT) and described voltage source
Voltage causes described hydrophobic surface to become more hydrophobic, thus the described fluid including described electrolyte moves to described dredging
On aqueous surface, thus the moistening oil of described electricity generally on hydrophobic surface described in displacement.
2. electric moistening display apparatus as claimed in claim 1, each of which pixel region represents one of following: (i) institute
State the pixel of electric moistening display apparatus, or the subpixel area of (ii) described electricity moistening device.
3. including an electric moistening display apparatus for multiple pixel region, each of which pixel region includes:
Hydrophobic surface；
First fluid on described hydrophobic surface and second fluid, wherein said first fluid can not mix with described second fluid
Close；
Pixel electrode below described hydrophobic surface, wherein said pixel electrode has opening tag shape；And
It is coupled to the thin film transistor (TFT) of described pixel electrode and voltage source,
Wherein applied to described hydrophobic surface by described pixel electrode via described thin film transistor (TFT) and described voltage source
Voltage causes described hydrophobic surface to become more hydrophobic, thus moves to described second fluid on described hydrophobic surface,
Thus the described first fluid generally on hydrophobic surface described in displacement.
4. electric moistening display apparatus as claimed in claim 3, the described opening tag shape of wherein said pixel electrode have with
One of lower: (i) general U-shape, (ii) substantially inverted U-shaped shape, (iii) approximately C-shaped shape, and (iv) is substantially reverse
C-shaped shape.
5. electric moistening display apparatus as claimed in claim 3, the described opening tag shape of wherein said pixel electrode is by having
First arm of the first width, the second arm being defined by the second width and the base portion being defined by height are defined, and its
Described in the first width and described second width in the range of 0.02 to 0.2 times of the width W of described pixel electrode, and described height
Degree is in the range of 0.02 to 0.2 times of the described width W of described pixel electrode.
6. electricity moistening device as claimed in claim 3, each of which pixel region represents one of following: (i) described electricity
The pixel of moistening display apparatus, or the sub-pixel of (ii) described electric moistening display apparatus.
7. electricity moistening device as claimed in claim 3, wherein said first fluid is the moistening oil of electricity, and described second fluid is
Including the fluid of electrolyte.
8. including an image display for electric moistening display apparatus, described electric moistening display apparatus includes multiple pixel region
Territory, each of which pixel region includes:
Hydrophobic surface；
First fluid on described hydrophobic surface and second fluid, wherein said first fluid can not mix with described second fluid
Close；
Pixel electrode below described hydrophobic surface, wherein said pixel electrode has opening tag shape；And
It is coupled to the thin film transistor (TFT) of described pixel electrode and voltage source,
Wherein applied to described hydrophobic surface by described pixel electrode via described thin film transistor (TFT) and described voltage source
Voltage causes described hydrophobic surface to become more hydrophobic, thus moves to described second fluid on described hydrophobic surface,
Thus the described first fluid generally on hydrophobic surface described in displacement.
9. image display as claimed in claim 8, the described opening tag shape of wherein said pixel electrode has following
One of: (i) general U-shape, (ii) substantially inverted U-shaped shape, (iii) approximately C-shaped shape, and (iv) substantially reverse C
Shape shape.
10. image display as claimed in claim 11, the described opening tag shape of wherein said pixel electrode is by having
First arm of the first width, the second arm being defined by the second width and the base portion being defined by height are defined, and its
Described in the first width and described second width in the range of 0.02 to 0.2 times of the width W of described pixel electrode, and described height
Degree is in the range of 0.02 to 0.2 times of the described width W of described pixel electrode.
11. image displays as claimed in claim 8, each of which pixel region represents one of following: (i) is described
The pixel of electric moistening display apparatus, or the sub-pixel of (ii) described electric moistening display apparatus.
12. image displays as claimed in claim 8, wherein said image display includes one of following: number
Word media apparatus, E-book reader, tablet computing device, smart phone, portable game system, laptop devices,
Net book computing device, Wearable computing device or augmented reality device.
13. image displays as claimed in claim 8, wherein said first fluid is the moistening oil of electricity, and described second
Body is the fluid including electrolyte.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/224,989 | 2014-03-25 | ||
| US14/224,989 US9568727B2 (en) | 2014-03-25 | 2014-03-25 | Electrowetting display pixel architecture |
| PCT/US2015/022049 WO2015148394A1 (en) | 2014-03-25 | 2015-03-23 | Electrowetting display pixel architecture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106104359A true CN106104359A (en) | 2016-11-09 |
| CN106104359B CN106104359B (en) | 2019-08-16 |
Family
ID=54190081
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580015555.6A Expired - Fee Related CN106104359B (en) | 2014-03-25 | 2015-03-23 | Electric wet-type display pixel structure |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9568727B2 (en) |
| EP (1) | EP3123231B1 (en) |
| JP (1) | JP6367964B2 (en) |
| CN (1) | CN106104359B (en) |
| WO (1) | WO2015148394A1 (en) |
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| CN107945750A (en) * | 2018-01-02 | 2018-04-20 | 京东方科技集团股份有限公司 | A kind of Electrowetting display panel and its driving method |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3123231A4 (en) | 2017-09-27 |
| WO2015148394A1 (en) | 2015-10-01 |
| JP6367964B2 (en) | 2018-08-01 |
| CN106104359B (en) | 2019-08-16 |
| US20150277100A1 (en) | 2015-10-01 |
| US9568727B2 (en) | 2017-02-14 |
| EP3123231A1 (en) | 2017-02-01 |
| JP2017509025A (en) | 2017-03-30 |
| EP3123231B1 (en) | 2020-10-14 |
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